diff --git a/.travis.yml b/.travis.yml
index a42e41352..3a9a994a9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,12 +17,7 @@ env:
 matrix:
   include:
     - python: "2.7"
-      env: TOXENV=cover BOULDER_INTEGRATION=1
-      sudo: required
-      after_failure:
-        - sudo cat /var/log/mysql/error.log
-        - ps aux | grep mysql
-      services: docker
+      env: TOXENV=cover
     - python: "2.7"
       env: TOXENV=lint
     - python: "2.7"
@@ -46,6 +41,13 @@ matrix:
         - sudo cat /var/log/mysql/error.log
         - ps aux | grep mysql
       services: docker
+    - python: "2.7"
+      env: TOXENV=py27_install BOULDER_INTEGRATION=1
+      sudo: required
+      after_failure:
+        - sudo cat /var/log/mysql/error.log
+        - ps aux | grep mysql
+      services: docker
     - sudo: required
       env: TOXENV=apache_compat
       services: docker
diff --git a/tox.cover.sh b/tox.cover.sh
index d138a98e5..7243c4708 100755
--- a/tox.cover.sh
+++ b/tox.cover.sh
@@ -36,9 +36,8 @@ cover () {
   # specific package, positional argument scopes tests only to
   # specific package directory; --cover-tests makes sure every tests
   # is run (c.f. #403)
-  nosetests -c /dev/null --with-cover --cover-tests --cover-package \
-            "$1" --cover-min-percentage="$min" "$1" --processes=-1 \
-            --process-timeout=100
+  nosetests -c /dev/null --with-cover --cover-tests --cover-package  \
+            "$1" --cover-min-percentage="$min" "$1"
 }
 
 rm -f .coverage  # --cover-erase is off, make sure stats are correct
diff --git a/tox.ini b/tox.ini
index 1d82092f6..959f44a8d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -63,6 +63,11 @@ commands =
     pip install -e .[dev]
     nosetests -v certbot --processes=-1 --process-timeout=100
 
+[testenv:py27_install]
+basepython = python2.7
+commands =
+    pip install -e acme[dns,dev] -e .[dev] -e certbot-apache -e certbot-nginx -e letshelp-certbot
+
 [testenv:cover]
 basepython = python2.7
 commands =